/**
 * @ClassName Demo
 * @Author ykx
 * @Date 2024/5/22 12:18
 * @Version 1.0
 */
public class Demo {
    public int i = 10;
    public static int j = 20;
    public static final int k = 30;

    public static void main(String[] args) {
        Demo demo = new Demo();
        System.out.println(demo.say("tom", 20));
    }

    public String say(String name, int age) {
        return "name:" + name + ",age:" + age;
    }

}
